133764321632 has 48 divisors (see below), whose sum is σ = 270548046720. Its totient is φ = 65054803968.

The previous prime is 133764321631. The next prime is 133764321703. The reversal of 133764321632 is 236123467331.

It is a self number, because there is not a number n which added to its sum of digits gives 133764321632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133764321631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4361969 + ... + 4392527.

It is an arithmetic number, because the mean of its divisors is an integer number (5636417640).

Almost surely, 2^133764321632 is an apocalyptic number.

It is an amenable number.

133764321632 is an abundant number, since it is smaller than the sum of its proper divisors (136783725088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133764321632 is a wasteful number, since it uses less digits than its factorization.

133764321632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303 (or 34295 counting only the distinct ones).

The product of its digits is 326592, while the sum is 41.

Adding to 133764321632 its reverse (236123467331), we get a palindrome (369887788963).

The spelling of 133764321632 in words is "one hundred thirty-three billion, seven hundred sixty-four million, three hundred twenty-one thousand, six hundred thirty-two".